[INFO] fetching crate libnewton 2.0.0-beta...
[INFO] testing libnewton-2.0.0-beta against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate libnewton 2.0.0-beta into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate libnewton 2.0.0-beta
[INFO] finished tweaking crates.io crate libnewton 2.0.0-beta
[INFO] tweaked toml for crates.io crate libnewton 2.0.0-beta written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libnewton 2.0.0-beta on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding prost v0.12.6 (available: v0.14.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62969ee3c141510a2a0beebd3002c0fdc73a0b46439f38ba4a515c4b702d5bbe
[INFO] running `Command { std: "docker" "start" "-a" "62969ee3c141510a2a0beebd3002c0fdc73a0b46439f38ba4a515c4b702d5bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62969ee3c141510a2a0beebd3002c0fdc73a0b46439f38ba4a515c4b702d5bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62969ee3c141510a2a0beebd3002c0fdc73a0b46439f38ba4a515c4b702d5bbe", kill_on_drop: false }`
[INFO] [stdout] 62969ee3c141510a2a0beebd3002c0fdc73a0b46439f38ba4a515c4b702d5bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 184f2cf634320a56c2a91aecd422abd8a7c46a837a796b95b391630e7996100d
[INFO] running `Command { std: "docker" "start" "-a" "184f2cf634320a56c2a91aecd422abd8a7c46a837a796b95b391630e7996100d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling libnewton v2.0.0-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "184f2cf634320a56c2a91aecd422abd8a7c46a837a796b95b391630e7996100d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184f2cf634320a56c2a91aecd422abd8a7c46a837a796b95b391630e7996100d", kill_on_drop: false }`
[INFO] [stdout] 184f2cf634320a56c2a91aecd422abd8a7c46a837a796b95b391630e7996100d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26a4cf23ce3368b2a551c90ebe3b5429d5329708f493ae9a1deb55890d92d510
[INFO] running `Command { std: "docker" "start" "-a" "26a4cf23ce3368b2a551c90ebe3b5429d5329708f493ae9a1deb55890d92d510", kill_on_drop: false }`
[INFO] [stderr]    Compiling libnewton v2.0.0-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "26a4cf23ce3368b2a551c90ebe3b5429d5329708f493ae9a1deb55890d92d510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a4cf23ce3368b2a551c90ebe3b5429d5329708f493ae9a1deb55890d92d510", kill_on_drop: false }`
[INFO] [stdout] 26a4cf23ce3368b2a551c90ebe3b5429d5329708f493ae9a1deb55890d92d510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a28a4591931cc383c87f5376b4506c274b73d03905aae418e34daa94895588f
[INFO] running `Command { std: "docker" "start" "-a" "2a28a4591931cc383c87f5376b4506c274b73d03905aae418e34daa94895588f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libnewton-4b65ecec60ae09e8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libnewton
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a28a4591931cc383c87f5376b4506c274b73d03905aae418e34daa94895588f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a28a4591931cc383c87f5376b4506c274b73d03905aae418e34daa94895588f", kill_on_drop: false }`
[INFO] [stdout] 2a28a4591931cc383c87f5376b4506c274b73d03905aae418e34daa94895588f